Isolation and whole‐genome sequencing analysis of Escherichia fergusonii harboring a heat‐labile enterotoxin gene from retail chicken meat in Okinawa, Japan

Author:

Kakita Tetsuya1ORCID,Lee Kenichi2,Morita Masatomo2ORCID,Okuno Miki3ORCID,Kyan Hisako1,Okano Sho1,Maeshiro Noriyuki1,Ishizu Momoko1,Kudeken Tsuyoshi1,Taira Haruno1,Teruya Morimi1,Ogura Yoshitoshi3,Akeda Yukihiro2,Ohnishi Makoto1

Affiliation:

1. Research Center for Infectious Disease Okinawa Prefectural Institute of Health and Environment Okinawa Japan

2. Department of Bacteriology I National Institute of Infectious Disease Tokyo Japan

3. Division of Microbiology, Department of Infectious Medicine Kurume University School of Medicine Fukuoka Japan

Abstract

AbstractThis study aimed to reveal the prevalence of heat‐labile enterotoxin (LT) gene‐positive Escherichia fergusonii in retail chicken meat and genetically characterize these strains. E. fergusonii harboring LT gene was isolated from 6 out of 60 (10%) retail chicken samples in Okinawa, Japan. Whole‐genome sequencing analysis revealed that LT gene‐positive E. fergusonii from chicken meat and feces contain an IncFII plasmid harboring elt1AB, and suggested to spread clonally to retail chicken through fecal contamination. Additionally, it was found that these strains harbor multidrug‐resistant genes on their plasmids. Their pathogenicity and continuous monitoring are required for confirmation.

Publisher

Wiley

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